{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["enabling technology", "machanical property", "application", "machine or equipment", "process parameter", "manufacturing standard"], "input": "Additive Manufacturing has recently gained great importance to produce metallic structural elements for civil engineering applications ."}
{"enabling technology": [], "machanical property": [], "application": ["engineering"], "machine or equipment": [], "process parameter": [], "manufacturing standard": []}